Comparison to Surrounding Areas
The median household income ($53,333) for 99171 is less than the median household income for 99004 ($67,337), 99017 ($58,958), 99111 ($73,393), 99170 ($58,750), 99176 ($128,000), and Whitman County ($55,406). But it's more than 99125 ($52,569) and St. John town ($46,250).
| 99171 | $53,333 |
| St. John town | $46,250 |
| Whitman County | $55,406 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($63,754) for 99171 is less than the average household income for 99004 ($86,381), 99111 ($90,294), 99125 ($70,879), 99170 ($84,322), 99176 ($126,363), and Whitman County ($84,165). But it's more than 99017 ($62,618) and St. John town ($57,123).
| 99171 | $63,754 |
| St. John town | $57,123 |
| Whitman County | $84,165 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 99171 is $32,685. The per capita income ($32,685) for 99171 is less than the per capita income for 99004 ($33,190), 99111 ($37,809), 99170 ($35,231), 99176 ($55,890), and Whitman County ($34,326). But it's more than 99017 ($24,861), 99125 ($29,353), and St. John town ($30,865).
| 99171 | $32,685 |
| St. John town | $30,865 |
| Whitman County | $34,326 |
Get Per-Capita Income for all Zip Codes in Washington.
2.7% of households make over $200,000 a year. The percent high income households (2.7%) for 99171 is less than the percent high income households for 99004 (7.8%), 99111 (6.8%), 99170 (10.6%), 99176 (9.7%), Whitman County (8.2%), and St. John town (2.9%). But it's more than 99017 (2.2%) and 99125 (1.6%).
| 99171 | 2.7% |
| St. John town | 2.9% |
| Whitman County | 8.2% |
Get High Income Households for all Zip Codes in Washington.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 99171 | $-1 | $96,250 | $77,639 | $30,938 |
| St. John town | $-1 | $97,083 | $77,500 | $30,833 |
| Whitman County | $20,459 | $71,157 | $104,119 | $57,283 |
Get Median Household Income by Age of Householder for all Zip Codes in Washington.
Use our lookalike & filtering workflow to discover every zip that matches your ideal market profile.
Our Income By Zip Code Lists let you start with a zip like 99171, then automatically find hundreds of similar zips by income, demographics, and growth potential — so you can build a smarter target list in minutes.
Get Your Income By Zip Code List
Get all zip codes in a state or the entire US with data such as median household income.
Starting at $65.
All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 99171 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 99171 | +/-$12,852 | +/-$8,383 | +/-$3,628 | +/-2.7% | +/-$-1 | +/-$8,892 | +/-$20,638 | +/-$9,300 |
| St. John town | +/-$13,821 | +/-$9,227 | +/-$4,985 | +/-3.0% | +/-$-1 | +/-$22,668 | +/-$27,349 | +/-$10,872 |
| Whitman County | +/-$4,182 | +/-$5,353 | +/-$2,034 | +/-1.8% | +/-$2,520 | +/-$14,048 | +/-$17,576 | +/-$4,732 |